Given a vector of natural numbers
x = [1,2,3,...,N]
compute the sum of its elements by not stressing the machine too much :)
HINT: maybe sum(1:N) won't pass the test suite..
Make a checkerboard matrix
Find all elements less than 0 or greater than 10 and replace them with NaN
Find common elements in matrix rows
Angle between two vectors
matrix of natural number
Non trivial identities - summation
Area of polygon
A shooting competition
Remove collinear points in a set of 2D points defining a polygon
Non trivial identities - flipping
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